Global Patent Index - EP 0849314 A1

EP 0849314 A1 19980624 - Stabilizer for food contact and medical grade PVC

Title (en)

Stabilizer for food contact and medical grade PVC

Title (de)

Stabilisator für PVC in Lebensmittelkontakt und für medizinische Anwendungen

Title (fr)

Stabilisateur pour PCV en contact aux produits alimentaires et d'application médical

Publication

EP 0849314 A1 19980624 (EN)

Application

EP 97122534 A 19971219

Priority

US 77235196 A 19961220

Abstract (en)

Disclosed is a composition of matter which provides heat and color stability to polyvinyl chloride resins, especially of the flexible type, said composition consists essentially of (A) about 10 to about 40 parts by weight of a zinc carboxylate; (B) about 50 to about 80 parts by weight of an alkyl ester of thiodipropionic acid; and (C) about 5 to about 20 parts by weight of a phenolic antioxidant. A PVC resin containing the above composition of matter is also disclosed.

IPC 1-7

C08K 5/00; C08L 27/06; C08K 5/372

IPC 8 full level

C08K 3/22 (2006.01); C08K 3/26 (2006.01); C08K 3/34 (2006.01); C08K 5/053 (2006.01); C08K 5/098 (2006.01); C08K 5/13 (2006.01); C08K 5/1515 (2006.01); C08K 5/36 (2006.01); C08K 5/372 (2006.01); C08K 5/56 (2006.01); C08L 27/06 (2006.01)

CPC (source: EP US)

C08K 5/098 (2013.01 - EP US); C08K 5/13 (2013.01 - EP US); C08K 5/372 (2013.01 - EP US)

C-Set (source: EP US)

  1. C08K 5/098 + C08L 27/06
  2. C08K 5/13 + C08L 27/06
  3. C08K 5/372 + C08L 27/06

Citation (search report)

  • [A] FR 2349620 A1 19771125 - KUREHA CHEMICAL IND CO LTD [JP]
  • [A] US 4340514 A 19820720 - HOUSEL DAVID S
  • [A] GB 932253 A 19630724 - EASTMAN KODAK CO
  • [A] PATENT ABSTRACTS OF JAPAN vol. 017, no. 221 (C - 1054) 7 May 1993 (1993-05-07) & DATABASE WPI Section Ch Week 9304, Derwent World Patents Index; Class A12, AN 93-032199, "Vinyl] chloride resin composition..."
  • [A] DATABASE WPI Section Ch Week 9433, Derwent World Patents Index; Class A14, AN 94-270580, XP002060285
  • [A] J. PROTIVOVA ET AL.: "ANTIOXIDANTS AND STABILIZERS. XXXIX...", JOURNAL OF POLYMER SCIENCE, POLYMER SYMPOSIA, no. 40, 1973, pages 233 - 243, XP002060284

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 0849314 A1 19980624; AU 4921797 A 19980625; AU 735449 B2 20010712; CA 2225215 A1 19980620; JP H10231407 A 19980902; US 6362264 B1 20020326

DOCDB simple family (application)

EP 97122534 A 19971219; AU 4921797 A 19971222; CA 2225215 A 19971218; JP 35256897 A 19971222; US 77235196 A 19961220